SC220 ZARLINK [Zarlink Semiconductor Inc], SC220 Datasheet - Page 9

• Manufacturer Part Number: SC220
• Description: XpressFlow 2020 Ethernet Routing Switch Chipset
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

XpressFlow-2020 Series –
Ethernet Switch Chipset
1.4 Connection Diagram – 256-BGA Package (Top View)
© 1998 Vertex Networks, Inc.
1999
W
M
A
B
C
D
E
F
G
H
K
L
N
P
R
T
U
V
Y
J
L_BWE
ADSC#
MODE
L_OE
L_OE
L_A
L_A
L_A
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
[13]
[14]
[18]
[1]#
[2]#
[10]
[13]
[16]
[19]
[22]
[25]
[29]
[2]#
L_
[0]
[3]
[7]
[9]
T_
1
S_MSG
L_BWE
L_BWE
L_WE
L_OE
L_OE
L_A
L_A
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
EN#
[12]
[16]
[3]#
[3]#
[0]#
[0]#
[11]
[14]
[17]
[20]
[23]
[27]
[30]
[2]#
[2]
[6]
2
L_BWE
L_WE
EOF#
IRDY
CLK
L_A
L_A
L_A
L_A
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
L_D
[10]
[11]
[15]
[17]
[1]#
[1]#
[12]
[15]
[18]
[21]
[24]
[28]
[31]
P
[1]
[4]
[8]
L_
S_
S_
3
R
TABT#
OVLD#
(Core)
L_WE
(Core)
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
CLK
L_A
L_A
[0]#
L_D
L_D
[26]
[8]
[9]
[5]
S_
S_
S_
4
E
L_A[5] /
P_C[3]
VSS
VDD
L_A
L_A
L
[6]
[7]
5
I
L_A[2] /
L_A[3] /
L_A[4] /
P_C[0]
P_C[1]
P_C[2]
VDD
VSS
S_D
S_D
S_D
[0]
[1]
[2]
6
M
C_ CE#
I
L_WE
VSS
S_D
S_D
S_D
S_D
[3]
[4]
[3]
[5]
[6]
7
N
WE#
VDD
MF#
VSS
S_D
S_D
S_D
A
C_
C_
[7]
[8]
[9]
8
R
C_ EC# C_D
CM#
VDD
VSS
S_D
S_D
S_D
FF#
[10]
[11]
[12]
C_
C_
9
Y
(Core)
C_D
C_D
VSS
VDD
S_D
[13]
S_D
[14]
S_D
[15]
10
[2]
[1]
[0]
I
8
C_D
C_D
C_D
C_D
VSS
VDD
S_D
S_D
[17]
[16]
11
[3]
[4]
[5]
[8]
N
F
C_D
C_D
C_D
VDD
VDD
S_D
S_D
S_D
[20]
[19]
[18]
12
[6]
[7]
[9]
O
C_D
C_D
C_D
VSS
VSS
[10]
[11]
[12]
S_D
[23]
S_D
[22]
S_D
[21]
13
R
M
VDD
C_D
C_D
C_D
S_D
S_D
VSS
S_D
[13]
[14]
[15]
[25]
[26]
[24]
14
A
(Core)
VDD
VDD
P_A
P_A
P_A
S_D
S_D
[11]
[10]
[29]
[27]
15
[9]
T
I
S_REQ
XpressFlow Engine
P_A
P_A
P_A
VSS
S_D
S_D
[1]#
[30]
[28]
16
[8]
[7]
[5]
O
S_GNT
(Core)
(Core)
REQ#
S_HP
VDD P_RST
VDD
VDD
VDD
VDD
VDD
VDD S_REQ
N
P_A
P_A
P_A
VSS
VSS
VSS
P_D
VSS
P_D
VSS S_REQ
S_D
[12]
[4]#
[31]
17
[6]
[4]
[1]
[3]
Rev. 4.5 – February
P_ CS#
S_REQ
S_GNT
S_GNT
ADS#
P_A
P_D
[29]
P_D
[26]
P_D
[23]
P_D
[20]
P_D
[17]
P_D
[13]
P_D
P_D
P_D
P_D
[7]#
[5]#
[4]#
[1]#
[2]#
IN#
18
[3]
P_
[9]
[6]
[2]
[0]
S_REQ
S_GNT
S_REQ
S_REQ
S_GNT
BS16#
SC220
RWC
P_A
P_D
[31]
P_D
[28]
P_D
[25]
P_D
[22]
P_D
[19]
P_D
[16]
P_D
[10]
P_D
P_D
P_D
[8]#
[6]#
[5]#
[6]#
[2]#
19
P_
[2]
P_
[7]
[4]
[1]
P_RST
S_REQ
S_GNT
S_GNT
S_GNT
RDY#
OUT
CLK
P_D
P_D
P_D
P_D
P_D
P_D
P_D
P_D
P_D
P_D
[30]
[27]
[24]
[21]
[18]
[15]
[14]
[11]
[8]#
[7]#
[3]#
[3]#
INT
20
P_
P_
P_
[8]
[5]